Build #1143 (Feb 19, 2021 8:10:00 AM)

	Build Artifacts
	Changes - remove #readFromOldFormat: (it raises a hard error anyway) (details / githubweb) - remove not needed comment (details / githubweb) remove an used class variable in GTGenericStackDebugger (details / githubweb)
	Push event to branch Pharo9.0 at 7:29:10 AM on Feb 19, 2021 Push event to branch Pharo9.0 at 7:29:21 AM on Feb 19, 2021 Push event to branch Pharo9.0 at 7:29:33 AM on Feb 19, 2021
	Revision: 5e5fa33aa71f8dc2f7821684191d847faa2f6b94 Pharo9.0
	Test Result (1 failure / -3) unix-32 / Tests-unix-32 / Unix32.Kernel.Tests.Objects.ProtoObjectTest.testNextObject